What are normal blood pressure readings?

Normal Blood Pressure Readings

* Systolic blood pressure: 120 mm Hg or lower

* Diastolic blood pressure: 80 mm Hg or lower

Prehypertension

* Systolic blood pressure: 120-129 mm Hg

* Diastolic blood pressure: 80-89 mm Hg

Hypertension (high blood pressure)

* Stage 1 hypertension:

* Systolic blood pressure: 130-139 mm Hg

* Diastolic blood pressure: 80-89 mm Hg

* Stage 2 hypertension:

* Systolic blood pressure: 140 mm Hg or higher

* Diastolic blood pressure: 90 mm Hg or higher

Hypertensive crisis:

* Systolic blood pressure: 180 mm Hg or higher

* Diastolic blood pressure: 120 mm Hg or higher